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Cheap flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre from $79

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rio de Janeiro Santos Dumont Airport to Porto Alegre departing on 12/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

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Find the cheapest flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre

Cheap round-trip flights

Azul Logo
7:45 am - 1:10 pmSDU-POA
5h 25m1 stop
Azul Logo
7:00 pm - 10:15 pmPOA-SDU
3h 15m1 stop
$177Azul
Find Deal
Thu, Oct 16 - Mon, Oct 27
Azul Logo
3:15 pm - 6:50 pmSDU-POA
3h 35m1 stop
Azul Logo
6:40 pm - 10:25 pmPOA-SDU
3h 45m1 stop
$185Azul
Find Deal
Mon, Oct 13 - Mon, Oct 20
Multiple Airlines Logo
9:15 am - 2:40 pmSDU-POA
5h 25m1 stop
Multiple Airlines Logo
10:00 am - 1:50 pmPOA-SDU
3h 50m1 stop
$190Multiple Airlines
Find Deal
Fri, Nov 7 - Mon, Nov 17
Multiple Airlines Logo
2:15 pm - 11:55 pmSDU-POA
9h 40m1 stop
Multiple Airlines Logo
2:30 pm - 6:20 pmPOA-SDU
3h 50m1 stop
$192Multiple Airlines
Find Deal
Sat, Oct 4 - Mon, Oct 6
GOL Logo
6:50 am - 10:55 amSDU-POA
4h 05m1 stop
GOL Logo
8:00 am - 12:25 pmPOA-SDU
4h 25m1 stop
$193GOL
Find Deal
Tue, Mar 3 - Sun, Mar 8
LATAM Airlines Logo
6:30 am - 10:10 amSDU-POA
3h 40m1 stop
LATAM Airlines Logo
8:50 am - 1:05 pmPOA-SDU
4h 15m1 stop
$197LATAM Airlines
Find Deal
Sat, Nov 1 - Mon, Nov 3
LATAM Airlines Logo
2:30 pm - 7:45 pmSDU-POA
5h 15m1 stop
LATAM Airlines Logo
5:40 am - 12:15 pmPOA-SDU
6h 35m1 stop
$198LATAM Airlines
Find Deal
Thu, Oct 30 - Sun, Nov 2
Azul Logo
7:15 pm - 11:10 pmSDU-POA
3h 55m1 stop
Azul Logo
5:15 am - 9:20 amPOA-SDU
4h 05m1 stop
$200Azul
Find Deal
Tue, Nov 4 - Sun, Nov 9
Azul Logo
7:15 am - 1:10 pmSDU-POA
5h 55m1 stop
Azul Logo
7:00 pm - 10:15 pmPOA-SDU
3h 15m1 stop
$204Azul
Find Deal
Fri, Oct 17 - Mon, Oct 27
GOL Logo
7:50 am - 12:30 pmSDU-POA
4h 40m1 stop
GOL Logo
8:00 am - 11:45 amPOA-SDU
3h 45m1 stop
$220GOL
Find Deal
Fri, Dec 12 - Tue, Dec 16

LATAM Airlines flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre

Our best LATAM Airlines deals on Rio de Janeiro Santos Dumont Airport to Porto Alegre flight tickets
LATAM Airlines
Nov 1
SDU6:30 amRio de Janeiro Santos Dumont
3h 40m
1 stop
POA10:10 amPorto Alegre Salgado Filho
Nov 3
POA8:50 amPorto Alegre Salgado Filho
4h 15m
1 stop
SDU1:05 pmRio de Janeiro Santos Dumont
$197
Find similar
LATAM Airlines
Oct 30
SDU2:30 pmRio de Janeiro Santos Dumont
5h 15m
1 stop
POA7:45 pmPorto Alegre Salgado Filho
Nov 2
POA5:40 amPorto Alegre Salgado Filho
6h 35m
1 stop
SDU12:15 pmRio de Janeiro Santos Dumont
$198
Find similar
LATAM Airlines
Oct 25
SDU5:45 pmRio de Janeiro Santos Dumont
5h 05m
1 stop
POA10:50 pmPorto Alegre Salgado Filho
Oct 27
POA6:35 amPorto Alegre Salgado Filho
6h 40m
1 stop
SDU1:15 pmRio de Janeiro Santos Dumont
$217
Find similar

GOL flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre

Our best GOL deals on Rio de Janeiro Santos Dumont Airport to Porto Alegre flight tickets
GOL
Mar 3
SDU6:50 amRio de Janeiro Santos Dumont
4h 05m
1 stop
POA10:55 amPorto Alegre Salgado Filho
Mar 8
POA8:00 amPorto Alegre Salgado Filho
4h 25m
1 stop
SDU12:25 pmRio de Janeiro Santos Dumont
$193
Find similar
GOL
Dec 12
SDU7:50 amRio de Janeiro Santos Dumont
4h 40m
1 stop
POA12:30 pmPorto Alegre Salgado Filho
Dec 16
POA8:00 amPorto Alegre Salgado Filho
3h 45m
1 stop
SDU11:45 amRio de Janeiro Santos Dumont
$220
Find similar
GOL
Nov 30
SDU6:55 amRio de Janeiro Santos Dumont
3h 50m
1 stop
POA10:45 amPorto Alegre Salgado Filho
Dec 6
POA9:25 amPorto Alegre Salgado Filho
4h 45m
1 stop
SDU2:10 pmRio de Janeiro Santos Dumont
$224
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Thu 10/16

7:45 am-1:10 pm

1 stop5h 25m

Porto Alegre Salgado Filho

Mon 10/27

7:00 pm-10:15 pm

1 stop3h 15m

$177

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Mon 10/13

3:15 pm-6:50 pm

1 stop3h 35m

Porto Alegre Salgado Filho

Mon 10/20

6:40 pm-10:25 pm

1 stop3h 45m

$185

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Fri 11/7

9:15 am-2:40 pm

1 stop5h 25m

Porto Alegre Salgado Filho

Mon 11/17

10:00 am-1:50 pm

1 stop3h 50m

$190

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Sat 10/4

2:15 pm-11:55 pm

1 stop9h 40m

Porto Alegre Salgado Filho

Mon 10/6

2:30 pm-6:20 pm

1 stop3h 50m

$192

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Tue 3/3

6:50 am-10:55 am

1 stop4h 05m

Porto Alegre Salgado Filho

Sun 3/8

8:00 am-12:25 pm

1 stop4h 25m

$193

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Sat 11/1

6:30 am-10:10 am

1 stop3h 40m

Porto Alegre Salgado Filho

Mon 11/3

8:50 am-1:05 pm

1 stop4h 15m

$197

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Thu 10/30

2:30 pm-7:45 pm

1 stop5h 15m

Porto Alegre Salgado Filho

Sun 11/2

5:40 am-12:15 pm

1 stop6h 35m

$198

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Tue 11/4

7:15 pm-11:10 pm

1 stop3h 55m

Porto Alegre Salgado Filho

Sun 11/9

5:15 am-9:20 am

1 stop4h 05m

$200

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Fri 10/17

7:15 am-1:10 pm

1 stop5h 55m

Porto Alegre Salgado Filho

Mon 10/27

7:00 pm-10:15 pm

1 stop3h 15m

$204

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

Fri 12/12

7:50 am-12:30 pm

1 stop4h 40m

Porto Alegre Salgado Filho

Tue 12/16

8:00 am-11:45 am

1 stop3h 45m

$220

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Porto Alegre from

How to get the cheapest flight ticket from Rio de Janeiro Santos Dumont Airport to Porto Alegre

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Porto Alegre?

The cheapest month to fly to Porto Alegre from Rio de Janeiro Santos Dumont Airport is in July. Flight prices, which tend to average around $150, are often lower during this time because this is during the off-season. If you’re not able to fly to Porto Alegre in July, then May is your next best option. Flight prices from Rio de Janeiro Santos Dumont Airport to Porto Alegre during May average around $151.

What is the cheapest day to depart on your flight to Porto Alegre?

Our data shows that Tuesday is the least expensive day to fly to Porto Alegre. Tickets to fly out on this day can be as low as $134. On the other hand, Sunday is the most expensive day to depart from Rio de Janeiro Santos Dumont Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $292.

What is the cheapest time of day to depart on your flight to Porto Alegre?

Our most recent data shows that the best time of day to fly to Porto Alegre is in the morning. Flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre during this time can be as low as $166. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $323 on average. Flights to Porto Alegre from Rio de Janeiro Santos Dumont Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Porto Alegre?

You are more likely to see cheaper flights to Porto Alegre from Rio de Janeiro Santos Dumont Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto Alegre for around $187 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto Alegre from Rio de Janeiro Santos Dumont Airport for as low as $134 on momondo.

How have Rio de Janeiro Santos Dumont Airport to Porto Alegre flight prices changed over time?

As of September 2025, prices for Rio de Janeiro Santos Dumont Airport to Porto Alegre flights are approximately 8% more expensive when compared to flights at the same time last year.

When to book flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre

Are you open to changing your travel dates? Check out the ideal times to fly from Rio de Janeiro Santos Dumont Airport to Porto Alegre according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Rio de Janeiro Santos Dumont Airport to Porto Alegre (SDU to POA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rio de Janeiro Santos Dumont Airport to Porto Alegre

Direct flights

None
There are no direct flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre. There are no popular flight routes from Rio de Janeiro Santos Dumont Airport to Porto Alegre.
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  • How far is Rio de Janeiro Santos Dumont to Porto Alegre Salgado Filho by plane?

    There are 699.4 mi between Rio de Janeiro Santos Dumont and Porto Alegre Salgado Filho. In terms of flight time, this usually takes a little over 3h 35m.

  • When did momondo last update prices for flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre Salgado Filho Airport?

    Prices for flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre Salgado Filho Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Rio de Janeiro Santos Dumont Airport to Porto Alegre Salgado Filho Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rio de Janeiro Santos Dumont Airport to Porto Alegre Salgado Filho Airport.

  • What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?

    The necessary travel and health documents for your Porto Alegre Salgado Filho Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Rio de Janeiro to Porto Alegre?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Rio de Janeiro to Porto Alegre. momondo saves you time and could save you money on your trip.

Can I find flights from Rio de Janeiro to Porto Alegre with flexible booking policies on momondo?

Yes. All flights to Porto Alegre from Rio de Janeiro on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Rio de Janeiro to Porto Alegre?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Rio de Janeiro to Porto Alegre.

I’m not ready to book a flight from Rio de Janeiro to Porto Alegre right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Rio de Janeiro to Porto Alegre flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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